Hi All! Proposed patch to:
PR100245 - ICE on automatic reallocation. Patch tested only on x86_64-pc-linux-gnu. Add an if clause for handling derived types in the left hand side. Thank you very much. Best regards, José Rui Fortran: Fix ICE with automatic reallocation [PR100136] gcc/fortran/ChangeLog: PR fortran/100245 * trans-expr.c (trans_class_assignment): Add if clause to handle derived type in the LHS. gcc/testsuite/ChangeLog: PR fortran/100245 * gfortran.dg/PR100245.f90: New test.
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c index 213f32b0a67..faced471918 100644 --- a/gcc/fortran/trans-expr.c +++ b/gcc/fortran/trans-expr.c @@ -10995,6 +10995,9 @@ trans_class_assignment (stmtblock_t *block, gfc_expr *lhs, gfc_expr *rhs, class_han = GFC_CLASS_TYPE_P (TREE_TYPE (lse->expr)) ? gfc_class_data_get (lse->expr) : lse->expr; + if (!POINTER_TYPE_P (TREE_TYPE (class_han))) + class_han = gfc_build_addr_expr (NULL_TREE, class_han); + /* Allocate block. */ gfc_init_block (&alloc); gfc_allocate_using_malloc (&alloc, class_han, size, NULL_TREE); diff --git a/gcc/testsuite/gfortran.dg/PR100245.f90 b/gcc/testsuite/gfortran.dg/PR100245.f90 new file mode 100644 index 00000000000..1fc372a0d67 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/PR100245.f90 @@ -0,0 +1,29 @@ +! { dg-do run } +! +! Test the fix for PR100245 +! + +program main_p + + implicit none + + type :: foo_t + integer :: a + end type foo_t + + integer, parameter :: a = 42 + + class(foo_t), allocatable :: val + class(foo_t), allocatable :: rs1 + type(foo_t), allocatable :: rs2 + + allocate(val, source=foo_t(42)) + if (val%a/=a) stop 1 + rs1 = val + if (rs1%a/=a) stop 2 + rs2 = val + if (rs2%a/=a) stop 3 + deallocate(val, rs1, rs2) + stop + +end program main_p